6cadc2da |
1 | /***********************************************************\r |
2 | * *\r |
8b99ab90 |
3 | * This source file was taken from the Gens project *\r |
6cadc2da |
4 | * Written by Stéphane Dallongeville *\r |
5 | * Copyright (c) 2002 by Stéphane Dallongeville *\r |
6 | * Modified/adapted for PicoDrive by notaz, 2007 *\r |
7 | * *\r |
8 | ***********************************************************/\r |
9 | \r |
cc68a136 |
10 | #include <stdio.h>\r |
cc68a136 |
11 | \r |
12 | #include "../PicoInt.h"\r |
eff55556 |
13 | #include "cd_sys.h"\r |
14 | #include "cd_file.h"\r |
cc68a136 |
15 | \r |
c459aefd |
16 | #define cdprintf dprintf\r |
cc68a136 |
17 | //#define cdprintf(x...)\r |
c459aefd |
18 | #define DEBUG_CD\r |
cc68a136 |
19 | \r |
20 | #define TRAY_OPEN 0x0500 // TRAY OPEN CDD status\r |
21 | #define NOCD 0x0000 // CD removed CDD status\r |
22 | #define STOPPED 0x0900 // STOPPED CDD status (happen after stop or close tray command)\r |
23 | #define READY 0x0400 // READY CDD status (also used for seeking)\r |
24 | #define FAST_FOW 0x0300 // FAST FORWARD track CDD status\r |
25 | #define FAST_REV 0x10300 // FAST REVERSE track CDD status\r |
26 | #define PLAYING 0x0100 // PLAYING audio track CDD status\r |
27 | \r |
cc68a136 |
28 | \r |
cc68a136 |
29 | static int CD_Present = 0;\r |
cc68a136 |
30 | \r |
31 | \r |
32 | #define CHECK_TRAY_OPEN \\r |
33 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) \\r |
34 | { \\r |
35 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
36 | \\r |
37 | Pico_mcd->cdd.Minute = 0; \\r |
38 | Pico_mcd->cdd.Seconde = 0; \\r |
39 | Pico_mcd->cdd.Frame = 0; \\r |
40 | Pico_mcd->cdd.Ext = 0; \\r |
41 | \\r |
51a902ae |
42 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
43 | \\r |
44 | return 2; \\r |
45 | }\r |
46 | \r |
47 | \r |
48 | #define CHECK_CD_PRESENT \\r |
49 | if (!CD_Present) \\r |
50 | { \\r |
51 | Pico_mcd->scd.Status_CDD = NOCD; \\r |
52 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
53 | \\r |
54 | Pico_mcd->cdd.Minute = 0; \\r |
55 | Pico_mcd->cdd.Seconde = 0; \\r |
56 | Pico_mcd->cdd.Frame = 0; \\r |
57 | Pico_mcd->cdd.Ext = 0; \\r |
58 | \\r |
51a902ae |
59 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
60 | \\r |
61 | return 3; \\r |
62 | }\r |
63 | \r |
64 | \r |
cc68a136 |
65 | static int MSF_to_LBA(_msf *MSF)\r |
66 | {\r |
67 | return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150;\r |
68 | }\r |
69 | \r |
70 | \r |
eff55556 |
71 | PICO_INTERNAL void LBA_to_MSF(int lba, _msf *MSF)\r |
cc68a136 |
72 | {\r |
73 | if (lba < -150) lba = 0;\r |
74 | else lba += 150;\r |
75 | MSF->M = lba / (60 * 75);\r |
76 | MSF->S = (lba / 75) % 60;\r |
77 | MSF->F = lba % 75;\r |
78 | }\r |
79 | \r |
80 | \r |
81 | static unsigned int MSF_to_Track(_msf *MSF)\r |
82 | {\r |
83 | int i, Start, Cur;\r |
84 | \r |
85 | Start = (MSF->M << 16) + (MSF->S << 8) + MSF->F;\r |
86 | \r |
75736070 |
87 | for(i = 1; i <= (Pico_mcd->TOC.Last_Track + 1); i++)\r |
cc68a136 |
88 | {\r |
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89 | Cur = Pico_mcd->TOC.Tracks[i - 1].MSF.M << 16;\r |
90 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.S << 8;\r |
91 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.F;\r |
cc68a136 |
92 | \r |
93 | if (Cur > Start) break;\r |
94 | }\r |
95 | \r |
96 | --i;\r |
97 | \r |
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98 | if (i > Pico_mcd->TOC.Last_Track) return 100;\r |
99 | else if (i < 1) i = 1;\r |
cc68a136 |
100 | \r |
101 | return (unsigned) i;\r |
102 | }\r |
103 | \r |
104 | \r |
105 | static unsigned int LBA_to_Track(int lba)\r |
106 | {\r |
107 | _msf MSF;\r |
108 | \r |
109 | LBA_to_MSF(lba, &MSF);\r |
110 | return MSF_to_Track(&MSF);\r |
111 | }\r |
112 | \r |
113 | \r |
114 | static void Track_to_MSF(int track, _msf *MSF)\r |
115 | {\r |
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116 | if (track < 1) track = 1;\r |
117 | else if (track > Pico_mcd->TOC.Last_Track) track = Pico_mcd->TOC.Last_Track;\r |
cc68a136 |
118 | \r |
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119 | MSF->M = Pico_mcd->TOC.Tracks[track - 1].MSF.M;\r |
120 | MSF->S = Pico_mcd->TOC.Tracks[track - 1].MSF.S;\r |
121 | MSF->F = Pico_mcd->TOC.Tracks[track - 1].MSF.F;\r |
cc68a136 |
122 | }\r |
123 | \r |
124 | \r |
eff55556 |
125 | PICO_INTERNAL int Track_to_LBA(int track)\r |
cc68a136 |
126 | {\r |
127 | _msf MSF;\r |
128 | \r |
129 | Track_to_MSF(track, &MSF);\r |
130 | return MSF_to_LBA(&MSF);\r |
131 | }\r |
132 | \r |
133 | \r |
eff55556 |
134 | PICO_INTERNAL void Check_CD_Command(void)\r |
cc68a136 |
135 | {\r |
c459aefd |
136 | cdprintf("CHECK CD COMMAND");\r |
cc68a136 |
137 | \r |
cc68a136 |
138 | // Check CDC\r |
cc68a136 |
139 | if (Pico_mcd->scd.Status_CDC & 1) // CDC is reading data ...\r |
140 | {\r |
c459aefd |
141 | cdprintf("Got a read command");\r |
cc68a136 |
142 | \r |
143 | // DATA ?\r |
75736070 |
144 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
145 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
146 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
147 | \r |
51a902ae |
148 | if (Pico_mcd->scd.File_Add_Delay == 0)\r |
cc68a136 |
149 | {\r |
cc68a136 |
150 | FILE_Read_One_LBA_CDC();\r |
cc68a136 |
151 | }\r |
51a902ae |
152 | else Pico_mcd->scd.File_Add_Delay--;\r |
cc68a136 |
153 | }\r |
154 | \r |
1cd356a3 |
155 | // Check CDD\r |
156 | if (Pico_mcd->scd.CDD_Complete)\r |
157 | {\r |
158 | Pico_mcd->scd.CDD_Complete = 0;\r |
159 | \r |
160 | CDD_Export_Status();\r |
161 | }\r |
162 | \r |
cc68a136 |
163 | if (Pico_mcd->scd.Status_CDD == FAST_FOW)\r |
164 | {\r |
165 | Pico_mcd->scd.Cur_LBA += 10;\r |
166 | CDC_Update_Header();\r |
167 | \r |
168 | }\r |
169 | else if (Pico_mcd->scd.Status_CDD == FAST_REV)\r |
170 | {\r |
171 | Pico_mcd->scd.Cur_LBA -= 10;\r |
172 | if (Pico_mcd->scd.Cur_LBA < -150) Pico_mcd->scd.Cur_LBA = -150;\r |
173 | CDC_Update_Header();\r |
174 | }\r |
175 | }\r |
176 | \r |
177 | \r |
eff55556 |
178 | PICO_INTERNAL int Init_CD_Driver(void)\r |
cc68a136 |
179 | {\r |
cc68a136 |
180 | return 0;\r |
181 | }\r |
182 | \r |
183 | \r |
eff55556 |
184 | PICO_INTERNAL void End_CD_Driver(void)\r |
cc68a136 |
185 | {\r |
eff55556 |
186 | Unload_ISO();\r |
cc68a136 |
187 | }\r |
188 | \r |
189 | \r |
eff55556 |
190 | PICO_INTERNAL void Reset_CD(void)\r |
cc68a136 |
191 | {\r |
192 | Pico_mcd->scd.Cur_Track = 0;\r |
193 | Pico_mcd->scd.Cur_LBA = -150;\r |
5c69a605 |
194 | Pico_mcd->scd.Status_CDC &= ~1;\r |
721cd396 |
195 | Pico_mcd->scd.Status_CDD = CD_Present ? READY : NOCD;\r |
51a902ae |
196 | Pico_mcd->scd.CDD_Complete = 0;\r |
5c69a605 |
197 | Pico_mcd->scd.File_Add_Delay = 0;\r |
cc68a136 |
198 | }\r |
199 | \r |
200 | \r |
bf098bc5 |
201 | int Insert_CD(char *iso_name, int is_bin)\r |
cc68a136 |
202 | {\r |
bf098bc5 |
203 | int ret = 0;\r |
204 | \r |
bf098bc5 |
205 | CD_Present = 0;\r |
721cd396 |
206 | Pico_mcd->scd.Status_CDD = NOCD;\r |
bf098bc5 |
207 | \r |
208 | if (iso_name != NULL)\r |
cc68a136 |
209 | {\r |
bf098bc5 |
210 | ret = Load_ISO(iso_name, is_bin);\r |
721cd396 |
211 | if (ret == 0) {\r |
bf098bc5 |
212 | CD_Present = 1;\r |
721cd396 |
213 | Pico_mcd->scd.Status_CDD = READY;\r |
214 | }\r |
cc68a136 |
215 | }\r |
216 | \r |
bf098bc5 |
217 | return ret;\r |
cc68a136 |
218 | }\r |
219 | \r |
220 | \r |
221 | void Stop_CD(void)\r |
222 | {\r |
cc68a136 |
223 | Unload_ISO();\r |
cc68a136 |
224 | CD_Present = 0;\r |
225 | }\r |
226 | \r |
227 | \r |
eff55556 |
228 | /*\r |
229 | PICO_INTERNAL void Change_CD(void)\r |
cc68a136 |
230 | {\r |
231 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC();\r |
232 | else Open_Tray_CDD_cD();\r |
233 | }\r |
eff55556 |
234 | */\r |
cc68a136 |
235 | \r |
eff55556 |
236 | PICO_INTERNAL int Get_Status_CDD_c0(void)\r |
cc68a136 |
237 | {\r |
c459aefd |
238 | cdprintf("Status command : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
239 | \r |
240 | // Clear immediat status\r |
241 | if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0200)\r |
242 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
243 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0700)\r |
244 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
245 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0E00)\r |
246 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
247 | \r |
51a902ae |
248 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
249 | \r |
250 | return 0;\r |
251 | }\r |
252 | \r |
253 | \r |
eff55556 |
254 | PICO_INTERNAL int Stop_CDD_c1(void)\r |
cc68a136 |
255 | {\r |
256 | CHECK_TRAY_OPEN\r |
257 | \r |
258 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
259 | \r |
260 | if (CD_Present) Pico_mcd->scd.Status_CDD = STOPPED;\r |
261 | else Pico_mcd->scd.Status_CDD = NOCD;\r |
262 | Pico_mcd->cdd.Status = 0x0000;\r |
263 | \r |
264 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
265 | \r |
266 | Pico_mcd->cdd.Minute = 0;\r |
267 | Pico_mcd->cdd.Seconde = 0;\r |
268 | Pico_mcd->cdd.Frame = 0;\r |
269 | Pico_mcd->cdd.Ext = 0;\r |
270 | \r |
51a902ae |
271 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
272 | \r |
273 | return 0;\r |
274 | }\r |
275 | \r |
276 | \r |
eff55556 |
277 | PICO_INTERNAL int Get_Pos_CDD_c20(void)\r |
cc68a136 |
278 | {\r |
279 | _msf MSF;\r |
280 | \r |
c459aefd |
281 | cdprintf("command 200 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
282 | \r |
283 | CHECK_TRAY_OPEN\r |
284 | \r |
285 | Pico_mcd->cdd.Status &= 0xFF;\r |
286 | if (!CD_Present)\r |
287 | {\r |
288 | Pico_mcd->scd.Status_CDD = NOCD;\r |
289 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
290 | }\r |
291 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
292 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
293 | \r |
c459aefd |
294 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
295 | \r |
296 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
297 | \r |
298 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
299 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
300 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
301 | Pico_mcd->cdd.Ext = 0;\r |
302 | \r |
51a902ae |
303 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
304 | \r |
305 | return 0;\r |
306 | }\r |
307 | \r |
308 | \r |
eff55556 |
309 | PICO_INTERNAL int Get_Track_Pos_CDD_c21(void)\r |
cc68a136 |
310 | {\r |
311 | int elapsed_time;\r |
312 | _msf MSF;\r |
313 | \r |
314 | cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
315 | \r |
316 | CHECK_TRAY_OPEN\r |
317 | \r |
318 | Pico_mcd->cdd.Status &= 0xFF;\r |
319 | if (!CD_Present)\r |
320 | {\r |
321 | Pico_mcd->scd.Status_CDD = NOCD;\r |
322 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
323 | }\r |
324 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
325 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
326 | \r |
327 | elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));\r |
328 | LBA_to_MSF(elapsed_time - 150, &MSF);\r |
329 | \r |
c459aefd |
330 | cdprintf(" elapsed = %d", elapsed_time);\r |
cc68a136 |
331 | \r |
332 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
333 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
334 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
335 | Pico_mcd->cdd.Ext = 0;\r |
336 | \r |
51a902ae |
337 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
338 | \r |
339 | return 0;\r |
340 | }\r |
341 | \r |
342 | \r |
eff55556 |
343 | PICO_INTERNAL int Get_Current_Track_CDD_c22(void)\r |
cc68a136 |
344 | {\r |
c459aefd |
345 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
346 | \r |
347 | CHECK_TRAY_OPEN\r |
348 | \r |
349 | Pico_mcd->cdd.Status &= 0xFF;\r |
350 | if (!CD_Present)\r |
351 | {\r |
352 | Pico_mcd->scd.Status_CDD = NOCD;\r |
353 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
354 | }\r |
355 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
356 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
357 | \r |
358 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
359 | \r |
360 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
361 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
362 | Pico_mcd->cdd.Seconde = 0;\r |
363 | Pico_mcd->cdd.Frame = 0;\r |
364 | Pico_mcd->cdd.Ext = 0;\r |
365 | \r |
51a902ae |
366 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
367 | \r |
368 | return 0;\r |
369 | }\r |
370 | \r |
371 | \r |
eff55556 |
372 | PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void)\r |
cc68a136 |
373 | {\r |
374 | CHECK_TRAY_OPEN\r |
375 | \r |
376 | Pico_mcd->cdd.Status &= 0xFF;\r |
377 | if (!CD_Present)\r |
378 | {\r |
379 | Pico_mcd->scd.Status_CDD = NOCD;\r |
380 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
381 | }\r |
382 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
383 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
384 | \r |
75736070 |
385 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.M);\r |
386 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.S);\r |
387 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.F);\r |
cc68a136 |
388 | Pico_mcd->cdd.Ext = 0;\r |
389 | \r |
51a902ae |
390 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
391 | \r |
392 | return 0;\r |
393 | }\r |
394 | \r |
395 | \r |
eff55556 |
396 | PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void)\r |
cc68a136 |
397 | {\r |
398 | CHECK_TRAY_OPEN\r |
399 | \r |
400 | Pico_mcd->cdd.Status &= 0xFF;\r |
401 | if (!CD_Present)\r |
402 | {\r |
403 | Pico_mcd->scd.Status_CDD = NOCD;\r |
404 | }\r |
405 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
406 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
407 | \r |
75736070 |
408 | Pico_mcd->cdd.Minute = INT_TO_BCDW(1);\r |
409 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Last_Track);\r |
cc68a136 |
410 | Pico_mcd->cdd.Frame = 0;\r |
411 | Pico_mcd->cdd.Ext = 0;\r |
412 | \r |
51a902ae |
413 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
414 | \r |
415 | return 0;\r |
416 | }\r |
417 | \r |
418 | \r |
eff55556 |
419 | PICO_INTERNAL int Get_Track_Adr_CDD_c25(void)\r |
cc68a136 |
420 | {\r |
421 | int track_number;\r |
422 | \r |
423 | CHECK_TRAY_OPEN\r |
424 | \r |
425 | // track number in TC4 & TC5\r |
426 | \r |
427 | track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
428 | \r |
429 | Pico_mcd->cdd.Status &= 0xFF;\r |
430 | if (!CD_Present)\r |
431 | {\r |
432 | Pico_mcd->scd.Status_CDD = NOCD;\r |
433 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
434 | }\r |
435 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
436 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
437 | \r |
75736070 |
438 | if (track_number > Pico_mcd->TOC.Last_Track) track_number = Pico_mcd->TOC.Last_Track;\r |
439 | else if (track_number < 1) track_number = 1;\r |
cc68a136 |
440 | \r |
75736070 |
441 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.M);\r |
442 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.S);\r |
443 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.F);\r |
cc68a136 |
444 | Pico_mcd->cdd.Ext = track_number % 10;\r |
445 | \r |
75736070 |
446 | if (track_number == 1) Pico_mcd->cdd.Frame |= 0x0800; // data track\r |
cc68a136 |
447 | \r |
51a902ae |
448 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
449 | return 0;\r |
450 | }\r |
451 | \r |
452 | \r |
eff55556 |
453 | PICO_INTERNAL int Play_CDD_c3(void)\r |
cc68a136 |
454 | {\r |
455 | _msf MSF;\r |
456 | int delay, new_lba;\r |
457 | \r |
458 | CHECK_TRAY_OPEN\r |
459 | CHECK_CD_PRESENT\r |
460 | \r |
461 | // MSF of the track to play in TC buffer\r |
462 | \r |
463 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
464 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
465 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
466 | \r |
467 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
468 | \r |
469 | new_lba = MSF_to_LBA(&MSF);\r |
470 | delay = new_lba - Pico_mcd->scd.Cur_LBA;\r |
471 | if (delay < 0) delay = -delay;\r |
472 | delay >>= 12;\r |
473 | \r |
474 | Pico_mcd->scd.Cur_LBA = new_lba;\r |
475 | CDC_Update_Header();\r |
476 | \r |
c459aefd |
477 | cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
cc68a136 |
478 | \r |
479 | if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;\r |
480 | \r |
481 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
482 | Pico_mcd->cdd.Status = 0x0102;\r |
483 | // Pico_mcd->cdd.Status = COMM_OK;\r |
484 | \r |
51a902ae |
485 | if (Pico_mcd->scd.File_Add_Delay == 0) Pico_mcd->scd.File_Add_Delay = delay;\r |
cc68a136 |
486 | \r |
75736070 |
487 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
488 | {\r |
489 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
490 | }\r |
491 | else\r |
492 | {\r |
493 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
494 | //CD_Audio_Starting = 1;\r |
cc68a136 |
495 | FILE_Play_CD_LBA();\r |
cc68a136 |
496 | }\r |
497 | \r |
498 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
499 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
500 | Pico_mcd->cdd.Seconde = 0;\r |
501 | Pico_mcd->cdd.Frame = 0;\r |
502 | Pico_mcd->cdd.Ext = 0;\r |
503 | \r |
504 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
505 | \r |
51a902ae |
506 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
507 | return 0;\r |
508 | }\r |
509 | \r |
510 | \r |
eff55556 |
511 | PICO_INTERNAL int Seek_CDD_c4(void)\r |
cc68a136 |
512 | {\r |
513 | _msf MSF;\r |
514 | \r |
515 | CHECK_TRAY_OPEN\r |
516 | CHECK_CD_PRESENT\r |
517 | \r |
518 | // MSF to seek in TC buffer\r |
519 | \r |
520 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
521 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
522 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
523 | \r |
524 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
525 | Pico_mcd->scd.Cur_LBA = MSF_to_LBA(&MSF);\r |
526 | CDC_Update_Header();\r |
527 | \r |
528 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
529 | \r |
530 | Pico_mcd->scd.Status_CDD = READY;\r |
531 | Pico_mcd->cdd.Status = 0x0200;\r |
532 | \r |
533 | // DATA ?\r |
75736070 |
534 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
535 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
536 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
537 | \r |
538 | Pico_mcd->cdd.Minute = 0;\r |
539 | Pico_mcd->cdd.Seconde = 0;\r |
540 | Pico_mcd->cdd.Frame = 0;\r |
541 | Pico_mcd->cdd.Ext = 0;\r |
542 | \r |
51a902ae |
543 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
544 | \r |
545 | return 0;\r |
546 | }\r |
547 | \r |
548 | \r |
eff55556 |
549 | PICO_INTERNAL int Pause_CDD_c6(void)\r |
cc68a136 |
550 | {\r |
551 | CHECK_TRAY_OPEN\r |
552 | CHECK_CD_PRESENT\r |
553 | \r |
554 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read to start a new one if raw data\r |
555 | \r |
556 | Pico_mcd->scd.Status_CDD = READY;\r |
557 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
558 | \r |
559 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
560 | \r |
561 | Pico_mcd->cdd.Minute = 0;\r |
562 | Pico_mcd->cdd.Seconde = 0;\r |
563 | Pico_mcd->cdd.Frame = 0;\r |
564 | Pico_mcd->cdd.Ext = 0;\r |
565 | \r |
51a902ae |
566 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
567 | \r |
568 | return 0;\r |
569 | }\r |
570 | \r |
571 | \r |
eff55556 |
572 | PICO_INTERNAL int Resume_CDD_c7(void)\r |
cc68a136 |
573 | {\r |
574 | CHECK_TRAY_OPEN\r |
575 | CHECK_CD_PRESENT\r |
576 | \r |
577 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
578 | \r |
579 | #ifdef DEBUG_CD\r |
580 | {\r |
581 | _msf MSF;\r |
582 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
c459aefd |
583 | cdprintf("Resume read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
cc68a136 |
584 | }\r |
585 | #endif\r |
586 | \r |
587 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
588 | Pico_mcd->cdd.Status = 0x0102;\r |
589 | \r |
75736070 |
590 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
591 | {\r |
592 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
593 | }\r |
594 | else\r |
595 | {\r |
596 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
597 | //CD_Audio_Starting = 1;\r |
cc68a136 |
598 | FILE_Play_CD_LBA();\r |
cc68a136 |
599 | }\r |
600 | \r |
601 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
602 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
603 | Pico_mcd->cdd.Seconde = 0;\r |
604 | Pico_mcd->cdd.Frame = 0;\r |
605 | Pico_mcd->cdd.Ext = 0;\r |
606 | \r |
607 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
608 | \r |
51a902ae |
609 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
610 | return 0;\r |
611 | }\r |
612 | \r |
613 | \r |
eff55556 |
614 | PICO_INTERNAL int Fast_Foward_CDD_c8(void)\r |
cc68a136 |
615 | {\r |
616 | CHECK_TRAY_OPEN\r |
617 | CHECK_CD_PRESENT\r |
618 | \r |
619 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
620 | \r |
621 | Pico_mcd->scd.Status_CDD = FAST_FOW;\r |
622 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
623 | \r |
624 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
625 | Pico_mcd->cdd.Seconde = 0;\r |
626 | Pico_mcd->cdd.Frame = 0;\r |
627 | Pico_mcd->cdd.Ext = 0;\r |
628 | \r |
51a902ae |
629 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
630 | \r |
631 | return 0;\r |
632 | }\r |
633 | \r |
634 | \r |
eff55556 |
635 | PICO_INTERNAL int Fast_Rewind_CDD_c9(void)\r |
cc68a136 |
636 | {\r |
637 | CHECK_TRAY_OPEN\r |
638 | CHECK_CD_PRESENT\r |
639 | \r |
640 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
641 | \r |
642 | Pico_mcd->scd.Status_CDD = FAST_REV;\r |
643 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
644 | \r |
645 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
646 | Pico_mcd->cdd.Seconde = 0;\r |
647 | Pico_mcd->cdd.Frame = 0;\r |
648 | Pico_mcd->cdd.Ext = 0;\r |
649 | \r |
51a902ae |
650 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
651 | \r |
652 | return 0;\r |
653 | }\r |
654 | \r |
655 | \r |
eff55556 |
656 | PICO_INTERNAL int Close_Tray_CDD_cC(void)\r |
cc68a136 |
657 | {\r |
721cd396 |
658 | CD_Present = 0;\r |
cc68a136 |
659 | //Clear_Sound_Buffer();\r |
660 | \r |
661 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
662 | \r |
c6196c0f |
663 | elprintf(EL_STATUS, "tray close\n");\r |
cc68a136 |
664 | \r |
721cd396 |
665 | if (PicoMCDcloseTray != NULL)\r |
666 | CD_Present = PicoMCDcloseTray();\r |
cc68a136 |
667 | \r |
721cd396 |
668 | Pico_mcd->scd.Status_CDD = CD_Present ? STOPPED : NOCD;\r |
669 | Pico_mcd->cdd.Status = 0x0000;\r |
cc68a136 |
670 | \r |
721cd396 |
671 | Pico_mcd->cdd.Minute = 0;\r |
672 | Pico_mcd->cdd.Seconde = 0;\r |
673 | Pico_mcd->cdd.Frame = 0;\r |
674 | Pico_mcd->cdd.Ext = 0;\r |
cc68a136 |
675 | \r |
51a902ae |
676 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
677 | \r |
678 | return 0;\r |
679 | }\r |
680 | \r |
681 | \r |
eff55556 |
682 | PICO_INTERNAL int Open_Tray_CDD_cD(void)\r |
cc68a136 |
683 | {\r |
684 | CHECK_TRAY_OPEN\r |
685 | \r |
686 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
687 | \r |
c6196c0f |
688 | elprintf(EL_STATUS, "tray open\n");\r |
721cd396 |
689 | \r |
cc68a136 |
690 | Unload_ISO();\r |
cc68a136 |
691 | CD_Present = 0;\r |
692 | \r |
721cd396 |
693 | if (PicoMCDopenTray != NULL)\r |
694 | PicoMCDopenTray();\r |
695 | \r |
cc68a136 |
696 | Pico_mcd->scd.Status_CDD = TRAY_OPEN;\r |
697 | Pico_mcd->cdd.Status = 0x0E00;\r |
698 | \r |
699 | Pico_mcd->cdd.Minute = 0;\r |
700 | Pico_mcd->cdd.Seconde = 0;\r |
701 | Pico_mcd->cdd.Frame = 0;\r |
702 | Pico_mcd->cdd.Ext = 0;\r |
703 | \r |
51a902ae |
704 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
705 | \r |
706 | return 0;\r |
707 | }\r |
708 | \r |
709 | \r |
eff55556 |
710 | PICO_INTERNAL int CDD_cA(void)\r |
cc68a136 |
711 | {\r |
712 | CHECK_TRAY_OPEN\r |
713 | CHECK_CD_PRESENT\r |
714 | \r |
715 | Pico_mcd->scd.Status_CDC &= ~1;\r |
716 | \r |
717 | Pico_mcd->scd.Status_CDD = READY;\r |
718 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
719 | \r |
720 | Pico_mcd->cdd.Minute = 0;\r |
721 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);\r |
722 | Pico_mcd->cdd.Frame = INT_TO_BCDW(1);\r |
723 | Pico_mcd->cdd.Ext = 0;\r |
724 | \r |
51a902ae |
725 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
726 | \r |
727 | return 0;\r |
728 | }\r |
729 | \r |
730 | \r |
eff55556 |
731 | PICO_INTERNAL int CDD_Def(void)\r |
cc68a136 |
732 | {\r |
733 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
734 | \r |
735 | Pico_mcd->cdd.Minute = 0;\r |
736 | Pico_mcd->cdd.Seconde = 0;\r |
737 | Pico_mcd->cdd.Frame = 0;\r |
738 | Pico_mcd->cdd.Ext = 0;\r |
739 | \r |
740 | return 0;\r |
741 | }\r |
742 | \r |
743 | \r |